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alexandr1967 [171]
2 years ago
11

Answer this question due soon

Mathematics
1 answer:
In-s [12.5K]2 years ago
3 0

Answer:

isosceles triangle means all equal sides and sum of interior angles of a triangle have to add to 180deg. if you draw a triangle with 3 equal 60 deg angles and draw a line from the top angle straight down to the bottom line, basically dividing the triangle into two even ones. then you can say the line or bisector line from the angle makes a 90deg with the bottom line across from angle the line is drawn out of. so then that makes two even and equal triangles, then the measure of the angles will be 90deg from bisector line + 60deg from angle untouched + 30deg from bisector angle = 180 degs for sum of interior angles in both triangles now proving the altitude from the base of an isosceles triangle is also the angle bisector of that angle.

Step-by-step explanation:

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A custom spends a total of $20.50 at the movie theater. The customer buys a $13.50 movie tickets and 2 snacks costs the same amo
Crank

Answer: each snack costs $3.5

Step-by-step explanation:

The total amount of money spent by the customer at the movie theater is $20.50

The customer buys a $13.50 movie tickets and 2 snacks costs the same amount c. This means that the total cost of the 2 snacks is 2c

Therefore, the total cost of the movie ticket and the snacks is

13.50 + 2c

Therefore,

13.50 + 2c = 20.50

2c = 20.50 - 13.50 = 7

c = 7/2 = 3.5

3 0
3 years ago
Using the change of base formula, evaluate log312 (round to the nearest hundredth).
Svetach [21]

Answer:

2.26

Explanation:

Given: log base 3 and 12

Using the base rule, we can write it as

= log 12 / log 3

Now we can find the value of log 12 and log 3 using a calculator.

= 1.07918124 /0.477121754

=2.26                

The answer is 2.26

5 0
3 years ago
Molly knows that 30% of the students at her school are boys and that there are 600 boys at her school. She wants to find the tot
Lemur [1.5K]
The answer to your problem is 2000
6 0
3 years ago
Read 2 more answers
MathWizard likes to play a fun number trick on her friends. She tells them to think of a number. She then tells them to subtract
pantera1 [17]
Follow the steps for 8
(1) 8 * 2 = 16
(2) 16 * 5 = 80
Note: you could just combine the first 2 steps and multiply by 10 to start with. Much easier: just add a 0 onto 8.
(3a) 12 * 8 = 96
(3b)  96 - 24 = 72
(3c) So you want to take 1/2 72 which is 36
(4)   36 + 80 = 116

Let's try this  with x.
(2) x * 10 = 10x
(3) 1/2 (12*x - 24)
(3) 10x + 1/2 (12x - 24)
(3) 10x + 6x - 12
(4) 16x - 12

Problem B
Math wiz would add 12 to the number given to her and then divide by 16. That's pretty complicated to do quickly. 

For example Let the original number be 1221
(2) Multiply by 10 12210
(3) Take 1/2 the difference between 12 times 1221 and 24 which is 1/2(14652 - 24) = 7314
And add this result to 12210 
7314 + 12210 = 19524

Tell her the number. She has to add 12
19524 + 12 = 19536  And divide by 16
to get 1221. 
Pretty complex even for a wizard.
 

6 0
3 years ago
Elena, Lin, and Noah all found the area of Triangle Q to be 14 but they reasoned about it differently, as shown in the diagrams
vfiekz [6]

Answer:

yes it is

Step-by-step explanation:

7 0
2 years ago
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